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Accidents · NTSB LAX84LA194 · Preliminary: the investigation is not finished

Bell 47-G4A accident near Dixon, California, February 24, 1984

On February 24, 1984, a Bell 47-G4A (helicopter), registered N9017N, was destroyed in an accident near Dixon, California. It was an aerial application (crop spraying) flight under agricultural flying rules (Part 137). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
February 24, 1984
Place
Dixon, California · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Bell 47-G4A · all 47-G4As on the register
Registration
N9017N · no longer on the register
Damage
Destroyed
Flight
Aerial application (crop spraying) flight · agricultural flying rules (Part 137)

The NTSB's narrative final · quoted from the NTSB record

THE ACFT CRASHED DURING A FORCED LANDING AFTER THE ENGINE QUIT. THE PLT STATED THAT, 'THREE MINUTES INTO THE CROP DUSTING MISSION THE ENGINE QUIT AND HE SUSPECTED FUEL MISMANAGEMENT.'

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

Pilot

  • Certificate: commercial pilot
  • Ratings: single-engine land
  • Flight time: 1,972 hours in all; 743 in this make and model; 64 in the last 90 days; 64 in the last 30 days; 1,871 as pilot in command
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 4 hours
  • Last inspection: annual inspection, January 25, 1984; 5,831 hours since
  • Maximum gross weight: 2,950 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Lycoming VO-540-B1B3 (piston); 0 hours total

The flight

  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 315° at 5 knots
  • Visibility: 50 statute miles
  • Sky: clear
  • Temperature: 55°F (13°C), dew point 0°F (-18°C)

Injuries

FatalSeriousMinorNone
Crew1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Other NTSB records under N9017N the same tail number, which may have belonged to a different aircraft at the time

2003-06-13LAX03LA197 · accident near Porterville, CA · destroyed · fatal

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.